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11th Computer Technology Monthly Test - 2 ( Number Systems )

MABS Institution

11th Computer Technology Monthly Test - 2 ( Number Systems )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

The ASCII value of put zero 0 is....

48
58
65
30

Which one of the following are called universal gates?

AND, OR, NOT
XOR AND XNOR
NAND and NOR
NAND and AND

Which of the following is not a common coding schemes to represent a character?

BCD
Unicode
ASCII Code
Byte code

How many parameters are considered to find the magnitude of a number?

3
4
2
5

To convert an octal number of binary equivalent, each octal digit is expressed as....

3 bits form
4 bits form
8 bits form
2 bits form

Which amongst this is not an Octal number?

645
234
876
123

Match the following

(i) Binary number system Base 16

(ii) Hexa Decimal Number system Base 8

(iii) Decimal Number System Base 2

(iv) Octal Number System Base 10

3,1,2,4
1,2,4,3
3,1,4,2
4,3,1,2

A Latin prefix Deci means.........

2
8
16
10

1's complement of 1001₂ is

1000₂
0111₂
0110₂
1010₂

How many characters can be handled in Binary Coded Decimal System?

64
255
256
128

Part - B

Generic 2 - Answer All Question

Write the one's complement of 1010₂ and 100101₂?

What is ASCII?

How the sequence of Octal numbers looks like?
Which method is used to convert the decimal number to Octal number system?

We cannot find 1's complement for (28)₁₀ State reason.

What Is Boolean Algebra?

Convert 11011110101110₂ to hexa decimal

Part - C

Generic 3 - Answer All Question

Complete the sequence of following octal numbers: 525, 526, 527, , , ___

Write the truth table of fundamental gates

Add 71A3₁₆ + 142B₁₆

Complete the sequence of following binary numbers: 100, 101, 110,__,_, ,__

Convert B2F₁₆ to octal

Complete the following Octal numbers 365, 366, 367,.......
What is MSB, LSB and Binary point? Give example.

Part - D

Generic 5 - Answer All Question

Convert the following Decimal numbers to its equivalent Binary, Octal, Hexadecimal. - 255

Convert the following Decimal numbers to its equivalent Binary, Octal, Hexadecimal. - 1920

Write the 1's complement number and 2's complement number for the following decimal numbers: (A) 22 (B) -13 (C) 65 (D) - 46 (E) 255

Convert the Following - (3674)₈ \(\rightarrow \) (?₂) = (?)₁₀

Perform the following binary computations:
(A) 10₁₀ + 15₁₀
(B) -12₁₀ + 5₁₀
(C) 14₁₀ -12₁₀
(D) (-2₁₀) - (-6₁₀).

Convert the following Hexadecimal numbers to Binary numbers (A). A6 (B). BE (C). 9BC8 (D). BC9

Convert the following Octal numbers into Binary numbers. - 472

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